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怎样用WinInet上传一个文件到服务器上

lpt 2002-05-13 10:31:08
怎样用WinInet上传一个文件到服务器上,3KS
是不是只要在HTML加上文件标签,然后往服务器上发就可以了
...全文
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kingzai 2002-05-13
bool CAmHttpSocket::PostUrl(const TCHAR *url, const char *PostData, int PostDataLength)
{
//check length of postdata
if (PostDataLength == -1)
PostDataLength = strlen(PostData);
//some variable that we need...
URL_COMPONENTS uc;
//let's split the url...
uc.dwStructSize = sizeof(uc);
uc.lpszScheme = NULL;
uc.dwSchemeLength = 0;
uc.lpszHostName = NULL;
uc.dwHostNameLength = 1;
uc.nPort = 0;
uc.lpszUserName = NULL;
uc.dwUserNameLength = 0;
uc.lpszPassword = NULL;
uc.dwPasswordLength = 0;
uc.lpszUrlPath = NULL;
uc.dwUrlPathLength = 1;
uc.lpszExtraInfo = NULL;
uc.dwExtraInfoLength = 0;
InternetCrackUrl(url, _tcslen(url), 0, &uc);
//post the data...
if (hCO != NULL) InternetCloseHandle(hCO);
TCHAR *HostName = _tcsdup(uc.lpszHostName);
HostName[uc.dwHostNameLength] = '\0';
TCHAR *FileName = _tcsdup(uc.lpszUrlPath);
FileName[uc.dwUrlPathLength] = '\0';
if (hIS != NULL) InternetCloseHandle(hIS); //if open, close the handle to the connection
DWORD flags;
if (uc.nPort == 80)
{
//we are talking plain http
flags = INTERNET_FLAG_NO_CACHE_WRITE;
}
else
{
//we are talking secure https
flags = INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_SECURE |
INTERNET_FLAG_IGNORE_CERT_CN_INVALID | INTERNET_FLAG_IGNORE_CERT_DATE_INVALID;
}
TCHAR headers[] = _T("Content-Type: application/x-www-form-urlencoded"); //content type for post...
TCHAR szAccept[] = _T("*/*"); //we accept everything...
LPTSTR AcceptTypes[2]={0};
AcceptTypes[0]=szAccept;
hCO = InternetConnect(hIO, HostName, uc.nPort, _T(""), _T(""), INTERNET_SERVICE_HTTP, INTERNET_FLAG_NO_CACHE_WRITE, 0);
hIS = HttpOpenRequest(hCO, _T("POST"), FileName, NULL, NULL, (LPCTSTR*)AcceptTypes, flags, 0);
if (!HttpSendRequest(hIS, headers, _tcslen(headers), (TCHAR*)PostData, PostDataLength))
{
LastError = GetLastError();
free(HostName);
free(FileName);
return false;
}
free(HostName);
free(FileName);
return true;
}
see this
http://www.codeproject.com/useritems/amhttputils.asp
回复
kingzai 2002-05-13
bool CAmHttpSocket::PostUrl(const TCHAR *url, const char *PostData, int PostDataLength)
{
//check length of postdata
if (PostDataLength == -1)
PostDataLength = strlen(PostData);
//some variable that we need...
URL_COMPONENTS uc;
//let's split the url...
uc.dwStructSize = sizeof(uc);
uc.lpszScheme = NULL;
uc.dwSchemeLength = 0;
uc.lpszHostName = NULL;
uc.dwHostNameLength = 1;
uc.nPort = 0;
uc.lpszUserName = NULL;
uc.dwUserNameLength = 0;
uc.lpszPassword = NULL;
uc.dwPasswordLength = 0;
uc.lpszUrlPath = NULL;
uc.dwUrlPathLength = 1;
uc.lpszExtraInfo = NULL;
uc.dwExtraInfoLength = 0;
InternetCrackUrl(url, _tcslen(url), 0, &uc);
//post the data...
if (hCO != NULL) InternetCloseHandle(hCO);
TCHAR *HostName = _tcsdup(uc.lpszHostName);
HostName[uc.dwHostNameLength] = '\0';
TCHAR *FileName = _tcsdup(uc.lpszUrlPath);
FileName[uc.dwUrlPathLength] = '\0';
if (hIS != NULL) InternetCloseHandle(hIS); //if open, close the handle to the connection
DWORD flags;
if (uc.nPort == 80)
{
//we are talking plain http
flags = INTERNET_FLAG_NO_CACHE_WRITE;
}
else
{
//we are talking secure https
flags = INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_SECURE |
INTERNET_FLAG_IGNORE_CERT_CN_INVALID | INTERNET_FLAG_IGNORE_CERT_DATE_INVALID;
}
TCHAR headers[] = _T("Content-Type: application/x-www-form-urlencoded"); //content type for post...
TCHAR szAccept[] = _T("*/*"); //we accept everything...
LPTSTR AcceptTypes[2]={0};
AcceptTypes[0]=szAccept;
hCO = InternetConnect(hIO, HostName, uc.nPort, _T(""), _T(""), INTERNET_SERVICE_HTTP, INTERNET_FLAG_NO_CACHE_WRITE, 0);
hIS = HttpOpenRequest(hCO, _T("POST"), FileName, NULL, NULL, (LPCTSTR*)AcceptTypes, flags, 0);
if (!HttpSendRequest(hIS, headers, _tcslen(headers), (TCHAR*)PostData, PostDataLength))
{
LastError = GetLastError();
free(HostName);
free(FileName);
return false;
}
free(HostName);
free(FileName);
return true;
}
see this url
http://www.codeproject.com/useritems/amhttputils.asp
回复
lpt 2002-05-13
怎么没人答!
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